<?php

/**
 * System Bootstrapping
*
* Loads the base classes and executes the request.
*
* @package        CodeIgniter
* @subpackage    codeigniter
* @category    Front-controller
* @author        ExpressionEngine Dev Team
* @link        http://codeigniter.com/user_guide/
*/

/**
 * CodeIgniter Version
*
* @var string
*
*/
define('CI_VERSION', '2.1.4');

/**
 * CodeIgniter Branch (Core = TRUE, Reactor = FALSE)
 *
 * @var boolean
 *
*/
define('CI_CORE', FALSE);

/*
 * ------------------------------------------------------
*  Load the global functions
* ------------------------------------------------------
*/
require(BASEPATH.'core/Common.php');

/*
 * ------------------------------------------------------
*  Load the framework constants
* ------------------------------------------------------
*/
if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/constants.php'))
{
	require(APPPATH.'config/'.ENVIRONMENT.'/constants.php');
}
else
{
	require(APPPATH.'config/constants.php');
}

/*
 * ------------------------------------------------------
*  Define a custom error handler so we can log PHP errors
* ------------------------------------------------------
*/
set_error_handler('_exception_handler');

if ( ! is_php('5.3'))
{
	@set_magic_quotes_runtime(0); // Kill magic quotes
}

/*
 * ------------------------------------------------------
*  Set the subclass_prefix
* ------------------------------------------------------
*
* Normally the "subclass_prefix" is set in the config file.
* The subclass prefix allows CI to know if a core class is
* being extended via a library in the local application
* "libraries" folder. Since CI allows config items to be
* overriden via data set in the main index. php file,
* before proceeding we need to know if a subclass_prefix
* override exists.  If so, we will set this value now,
* before any classes are loaded
* Note: Since the config file data is cached it doesn't
* hurt to load it here.
*/
if (isset($assign_to_config['subclass_prefix']) AND $assign_to_config['subclass_prefix'] != '')
{
	get_config(array('subclass_prefix' => $assign_to_config['subclass_prefix']));
}

/*
 * ------------------------------------------------------
*  Set a liberal script execution time limit
* ------------------------------------------------------
*/
if (function_exists("set_time_limit") == TRUE AND @ini_get("safe_mode") == 0)
{
	@set_time_limit(300);
}

/*
 * ------------------------------------------------------
*  Start the timer... tick tock tick tock...
* ------------------------------------------------------
*/
//$BM =& load_class('Benchmark', 'core');
//$BM->mark('total_execution_time_start');
//$BM->mark('loading_time:_base_classes_start');

/*
 * ------------------------------------------------------
*  Instantiate the hooks class
* ------------------------------------------------------
*/
$EXT =& load_class('Hooks', 'core');

/*
 * ------------------------------------------------------
*  Is there a "pre_system" hook?
* ------------------------------------------------------
*/
$EXT->_call_hook('pre_system');

/*
 * ------------------------------------------------------
*  Instantiate the config class
* ------------------------------------------------------
*/
$CFG =& load_class('Config', 'core');

// Do we have any manually set config items in the index.php file?
if (isset($assign_to_config))
{
	$CFG->_assign_to_config($assign_to_config);
}
$GLOBALS['CFG'] =& $CFG;
/*
 * ------------------------------------------------------
*  Instantiate the UTF-8 class
* ------------------------------------------------------
*
* Note: Order here is rather important as the UTF-8
* class needs to be used very early on, but it cannot
* properly determine if UTf-8 can be supported until
* after the Config class is instantiated.
*
*/

$UNI =& load_class('Utf8', 'core');
$GLOBALS['UNI'] =& $UNI;

/*
 * ------------------------------------------------------
*  Instantiate the URI class
* ------------------------------------------------------
*/
$URI =& load_class('URI', 'core');
$GLOBALS['URI'] =& $URI;

/*
 * -----------------------------------------------------
* Load the security class for xss and csrf support
* -----------------------------------------------------
*/
$SEC =& load_class('Security', 'core');
$GLOBALS['SEC'] =& $SEC;

/*
 * ------------------------------------------------------
*  Load the Input class and sanitize globals
* ------------------------------------------------------
*/
$IN    =& load_class('Input', 'core');
$GLOBALS['IN'] =& $IN;

/*
 * ------------------------------------------------------
*  Load the Language class
* ------------------------------------------------------
*/
$LANG =& load_class('Lang', 'core');
$GLOBALS['LANG'] =& $LANG;

/*
 * ------------------------------------------------------
*  Load the app controller and local controller
* ------------------------------------------------------
*
*/
// Load the base controller class
require BASEPATH.'core/Controller.php';


function &get_instance()
{
	$the_instance =& CI_Controller::get_instance();
	if ( $the_instance ) return $the_instance;
	new CI_Controller();
	return CI_Controller::get_instance();
}

if (file_exists(APPPATH.'core/'.$CFG->config['subclass_prefix'].'Controller.php'))
{
	require APPPATH.'core/'.$CFG->config['subclass_prefix'].'Controller.php';
}


//require_once('PostTest.php');

/*
 * ------------------------------------------------------
*  Close the DB connection if one exists
* ------------------------------------------------------
*/
if (class_exists('CI_DB') AND isset($CI->db))
{
	$CI->db->close();
}
